RaceChip RS + App Bluetooth Tuning Box for BMW X3 G01 (2017‑on) – Plug & Play Piggyback ECU/Performance Chip, Smartphone‑Controlled Remap Alternative Power Module, Petrol & Diesel

Smartphone‑controlled power upgrade for BMW X3 G01 2017‑on

Unlock sharper performance and effortless drivability with this premium plug‑in power module featuring full Bluetooth phone control. Built by RaceChip and fine‑tuned for the BMW X3 G01, it delivers a noticeable boost in punch and response without flashing the ECU. Our team at MJ Modifications has installed these on customer cars and the feedback has been superb, with smoother acceleration and stronger mid‑range pull.

• App adjustable from your smartphone for on‑the‑fly changes
• Pre‑calibrated for the X3 G01 with 6 user‑selectable performance levels via the unit’s dial and the app
• Quick plug‑and‑play fitment in around 10 minutes with a clear illustrated guide
• OEM‑grade connectors and loom for a secure, factory‑style installation
• German‑made electronics and robust enclosure engineered for longevity
• Potential fuel savings of up to 15% with a measured driving style
• Easily reversible for servicing or resale

What this delivers

Expect stronger in‑gear acceleration, crisper throttle response and a more engaging drive, whether your X3 is used for commuting or spirited weekend runs. The calibration is tailored to the X3 platform for smooth power delivery that feels OEM+ rather than peaky.

Box contents

• RaceChip RS power module with Bluetooth control
• Vehicle‑specific wiring harness
• Fitting and setup instructions

Professional fitting available

Want it installed and set up by specialists? MJ Modifications offers fitting and support at our Warwickshire workshop. Request a quote at info@mjmodifications.co.uk.

Why choose this plug‑in upgrade

• Remap alternative that keeps your factory software intact
• Adjustable performance to suit daily driving, towing or spirited use
• Vehicle‑specific mapping for the X3 G01 platform
• Trusted by enthusiasts and our own customers for reliable gains

Compatibility

Designed for BMW X3 G01 models from 2017 onwards. App available for iOS and Android.

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